This Ideal Standard Pneumatic Dual Flush Valve in black is a high-quality replacement part for your bathroom toilet. Compatible with Ideal Standard and Armitage Shanks, this flush valve is designed for modern convenience and ease of use. The seal is the newer clear type and not the black one that deteriorates quite quickly. The valve is made from durable materials and features a dual flush option for efficient water usage. It comes with one valve in the pack and is easy to install.